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Porosity is a measure of void space in a soil sample. Larger soil particles have larger void spaces. Smaller soil particles have smaller pore spaces, but a greater number of them, which leads to higher surface tension and higher % porosity. With this is mind, which statement is true:

A. Sandy soil has a higher porosity than clay soil
B. Sandy soil has a higher porosity than silty soil
C. Clay soil has a higher porosity than sandy soil
D. Porosity is directly proportional to soil particle size

User Whuhacker
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1 Answer

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C. Clay soil has a higher porosity than sandy soil.

Step-by-step explanation:

Maller soil particles have smaller pore spaces, but a greater number of them, which leads to higher surface tension and high % porosity.

User NicholasTGD
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